JG LowFit™ 20mm castellated panels are designed to provide a high output, low height, screeded underfloor system. The 20mm panel has equally spaced castellations at 50mm to allow 15mm pipe to be clipped in securely and accurately as per design specifications Installation of the panels is fast and simple as it features an overlapping alignment system for simple hassle-free panel laying, as well as a super strong adhesive backing. This allows for the panel to be installed directly onto the existing sub floor structure. The open grid design ensures the screed layer poured on top flows smoothly and evenly over the panel. Ideal solution for screed floor applications Easy to install low profile 20mm panel for 15mm pipe (total floor height including screed is 23-25mm) Excellent performance with a high heat output at low flow temperatures Versatile application that is compatible with 50, 100, 150 or 200mm pipe spacing (centres) Open grid design allows better flow of screed around pipes and castellations for a solid stable floor makeup Each panel has a peel off adhesive backing film for hassle-free and secure installation to the subfloor Panels are linked together with a simple click together system ensures accurate alignment Made from 100% recyclable material Suitable for underfloor heating applications only